Side by side

Fortis Novonaut N-42vsHalios Seaforth IV

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Novonaut N-42
FortisNovonaut N-42
MSRP $5,230
Seaforth IV
HaliosSeaforth IV
MSRP $765

At a glance

13 of 29 specs differ
Diameter
Novonaut N-4242mm
Seaforth IV40mm
Power Reserve
Novonaut N-4260h
Seaforth IV40h
Water Resistance
Novonaut N-42300m
Seaforth IV200m
MSRP
Novonaut N-42$5,230
Seaforth IV$765

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
40mm
Thickness
14.6mm
12.4mm
Lug-to-Lug
46.5mm
Lug Width
21mm
20mm
Material
Titanium / Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Sapphire (double-domed)
Dial Color
Titanium Legacy
Blue

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Sellita SW200-2
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,230
$765

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Novonaut N-42

Owners widely praise the Fortis B-42 Official Cosmonauts for its stunning fit and finish, excellent legibility, and a precise, grippy bezel, with one owner calling its bracelet the nicest they've ever owned. The Fortis Novonaut N-42 is described as a flawless beast with a WERK 17 column-wheel chronograph movement, featuring enhanced shock resistance and COSC adjustment, and is noted as a handsome tool watch with a beautiful dial and nice pusher action. However, the 42mm case of the B-42 wears larger than expected, and the Novonaut's 44mm case and chunky bracelet make it too large and heavy for many. The Fortis Titanium Legacy is a modern pilot's watch with a titanium case and bracelet, featuring a Kenissi WERK 13 movement with a 70-hour power reserve and three time zones. Overall, owners and reviewers highly regard the Fortis Titanium Legacy for its robust tool watch design and advanced movement technology, despite some concerns about case size and bracelet adjustability.

Halios Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

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